Expandable storage bin



FIG. 1 is a perspective view of an expandable storage bin showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a top plan view thereof, with a bin in maximum expanded position shown for clarity of illustration;

FIG. 4 is a front elevation thereof;

FIG. 5 is a right elevation thereof, the left side elevation being a mirror image thereof;

FIG. 6 is a rear elevation thereof; and

FIG. 7 is a bottom plan view thereof. 

The ornamental design for an expandable storage bin, as shown and described. 